package DynamicProgramming;
/*
 * 最后一块石头的重量 II
 */
import java.util.Arrays;

public class lc1049 {

    public int lastStoneWeightII(int[] stones) {
        int sum = Arrays.stream(stones).sum();
        int target = sum / 2;
        int[] dp = new int[target + 1];
        dp[0] = 0;
        for (int i = 0; i < stones.length; i++) {
            for (int j = target; j >= stones[i]; j--) {
                dp[j] = Math.max(dp[j], dp[j - stones[i]] + stones[i]);
            }
        }
        return sum - dp[target] * 2;
    }

}
